#include <bits/stdc++.h>
using namespace std;

const int N=2e5+50;
int t,n,a[N],c[N];
int main(){
    freopen("arena.in","r",stdin);
    freopen("arena.out","w",stdout);
    cin>>t;
    while(t--){
        cin>>n;
        for(int i=1;i<=n;i++){
            cin>>a[i];
        }


    }

    return 0;
}
